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Commitments and Contingencies (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract] |  |
Trade accounts receivable |  | $ 3,095
Accrued Insurance, Current | $ 7,632 | 7,693
Loss Contingencies [Line Items] |  |
Letters of Credit Outstanding, Amount | $ 4,366 |
Long-Term Purchase Commitment, Period | 12 months |
Trade accounts receivable |  | 3,095
Contracts Receivable, Claims and Uncertain Amounts |  | 10,451
Proceeds from Sale and Collection of Receivables | $ 5,140 |
Revenue, Remaining Performance Obligation, Amount | 1,012,111 |
Estimated cost of completion of bonded projects | 129,521 |
Loss Contingency, Receivable | 1,893 |
Estimated cost of completion of bonded projects | 129,521 |
Purchase Commitment, Remaining Minimum Amount Committed | 6,029 |
Insurance Related [Member] |  |
Loss Contingencies [Line Items] |  |
Letters of Credit Outstanding, Amount | $ 4,166 | $ 3,878

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of billed or unbilled claims or other similar items subject to uncertainty concerning their determination or ultimate realization under long-term contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126937589&loc=SL119991585-234733 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(c)(3)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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